Limitations in the unregistered version:
- Saving the settings is disabled
- 25 day trial

The default setings should be ok for a regular user.
There is a safety switch that will turn off optimizing if the cycle's length is greater then the preset. Setting the optimizing cycle lower will react to boosting mechanism only.
Setting the managing profiles refresh to smaller value speeds up the auto-set class priorities task. Optimizing cycle timing also affects the Anti-LockUp (automatic priority class lowering function) reaction speed.